To fend off dementia, run -- or dance, bike, power-walk or step

Scientists testing experimental drugs to prevent or reverse Alzheimer's disease have for years endured a drumbeat of inconclusive and disappointing trial results. But dementia researchers meeting in Washington, D.C., this week got some unexpectedly good news on the benefits of a therapy that is...

via L.A. Times - Science http://ift.tt/1JBJOsz